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Chromite
Chromite

Danburite
Danburite



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Chromite
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Danburite

Chromite and Danburite Optical Properties

Optical Properties

Luster

-
Vitreous, Greasy

Pleochroism

none.
Weak: pale yellow yellow

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.08-2.161.627-1.639
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Isometric
Orthorhombic

Birefringence

-99990.006
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Chromite and Danburite Optic Character

Chromite and Danburite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Chromite and Danburite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Chromite and Danburite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character. Danburite has Biaxial/+ character.

Chromite and Danburite Transparency

Similar to their colors, Chromite and Danburite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Chromite is while Chromite is in appearance.